2005 Cadillac STS vs. 2007 Lexus SC
To start off, 2007 Lexus SC is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 4,293 cc (8 cylinders), 2007 Lexus SC is equipped with a bigger engine. In terms of performance, 2007 Lexus SC (288 HP @ 5600 RPM) has 36 more horse power than 2005 Cadillac STS. (252 HP @ 6500 RPM) In normal driving conditions, 2007 Lexus SC should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 230 kg more than 2007 Lexus SC.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Lexus SC (430 Nm @ 3400 RPM) has 88 more torque (in Nm) than 2005 Cadillac STS. (342 Nm @ 3200 RPM). This means 2007 Lexus SC will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2007 Lexus SC | |
| Make | Cadillac | Lexus |
| Model | STS | SC |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 288 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 342 Nm | 430 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 7.4 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1560 kg |
| Vehicle Length | 4990 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1360 mm |
| Wheelbase Size | 2690 mm | 2630 mm |
| Fuel Consumption Highway | 9.8 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 95 L | 75 L |
